Key to Tasmanian Dicots
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Thynninorchis (= Arthrochilus, Spiculaea; Orchidaceae) 4a:89    
Tasmania has one living species of Thynninorchis (Elbow Orchids), it is very rare. This species (T. nothofagicola) is among the most cryptic of orchids, being short, very slender, dark green in colour, and matching in colour the mossy rainforest understorey it inhabits.

The sepals and petals are all very reduced and inconspicuous, and the labellum is elongated, with a freely pivotting hinge about mid-way.

Another species (T. huntiana) was known from Flinders Island, but is now considered to be extinct.

 

 
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Contact: Greg.Jordan@utas.edu.au